content: /*
   * Copyright 2019 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.rxjava3.bridge;
  
  final class SingleV2toV3<T> extends io.reactivex.rxjava3.core.Single<T>
  implements io.reactivex.SingleConverter<T, io.reactivex.rxjava3.core.Single<T>> {
  
      final io.reactivex.Single<T> source;
  
      static final SingleV2toV3<Object> CONVERTER = new SingleV2toV3<>(null);
  
      SingleV2toV3(io.reactivex.Single<T> source) {
          this.source = source;
      }
  
      @Override
      protected void subscribeActual(io.reactivex.rxjava3.core.SingleObserver<? super T> s) {
          source.subscribe(new SingleObserverV3toV2<T>(s));
      }
  
      @Override
      public io.reactivex.rxjava3.core.Single<T> apply(io.reactivex.Single<T> upstream) {
          return new SingleV2toV3<>(upstream);
      }
  
      static final class SingleObserverV3toV2<T>
      implements io.reactivex.SingleObserver<T>, io.reactivex.rxjava3.disposables.Disposable {
  
          final io.reactivex.rxjava3.core.SingleObserver<? super T> downstream;
  
          io.reactivex.disposables.Disposable upstream;
  
          SingleObserverV3toV2(io.reactivex.rxjava3.core.SingleObserver<? super T> downstream) {
              this.downstream = downstream;
          }
  
          @Override
          public void onSubscribe(io.reactivex.disposables.Disposable d) {
              this.upstream = d;
              downstream.onSubscribe(this);
          }
  
          @Override
          public void onSuccess(T t) {
              downstream.onSuccess(t);
          }
  
          @Override
          public void onError(Throwable e) {
              downstream.onError(e);
          }
  
          @Override
          public boolean isDisposed() {
              return upstream.isDisposed();
          }
  
          @Override
          public void dispose() {
              upstream.dispose();
          }
      }
  }
  